Mithrandir Metrics
Player Athletics Refreshed Jun 1 06:00 AM ET
Player profile / Athletics

Jacob Lopez

P profile with live context, projection links, and Mithrandir card history when available.

Cards
11
Modules
1
Live Δ
yes
Club Athletics Position P Roster Active Status Healthy / active roster
Rolling projection

Preseason / current pace / Bayesian update

Rolling bands shrink current-season signal toward the preseason prior until the sample earns more weight.

2026-06-01
ERA preseason4.26
ERA current pace5.73
ERA rolling p505.02
Observed weight52%
ERA
3.72 4.33 5.02 5.71 6.32
FIP
4.42 4.88 5.40 5.92 6.38
K%
17.0% 18.3% 19.8% 21.3% 22.6%
BB%
9.4% 10.4% 11.5% 12.6% 13.6%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Pitching · percentile strip
BB%14.3%
5 -51 vs proj
Barrel allowed5.0%
82 +33 vs proj
Fastball velo90.4
5
Hard-hit allowed32.2%
85
K%15.9%
11 -56 vs proj
Whiff%18.3%
14 -45 vs proj
xwOBA allowed0.311
52
Mithrandir+

Stuff+ and arsenal context

Stuff+ appears when the current pitch-event scoring artifact includes this pitcher; missing coverage is shown explicitly.

2026-06-01
Mithrandir Stuff+99
28
Rolling form chart

xwOBA allowed snapshot line

Live snapshot series; true 50/100 PA windows require PA-level logs

12 snapshots
Mithrandir Metrics ROLLING XWOBA LINE Parameterized Mithrandir chart rendered as SVG for templates and exports. season=2026 Rolling xwOBA allowed Lopez, Jacob · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 2026-05-17: 0.3012026-05-19: 0.3012026-05-21: 0.3122026-05-23: 0.3122026-05-24: 0.3122026-05-25: 0.3132026-05-26: 0.3132026-05-28: 0.3132026-05-29: 0.3132026-05-30: 0.3132026-05-31: 0.3132026-06-01: 0.311 2026-05-17 2026-06-01 xwOBA allowed MITHRANDIR · CHARTS
Optimization map

Arsenal optimization map

Pitch-shape context from this pitcher’s current arsenal snapshot. Hover a pitch to inspect usage, movement, and bat-missing context.

5Pitches 2026Season 34%Top usage
ride armside gloveside +Arsenal gap +Shape contrast
Zone profile

Aggregate zone heatmap

Aggregate zone metrics from seasonal Statcast leaderboards.

Mithrandir Metrics ZONE HEATMAP Parameterized Mithrandir chart rendered as SVG for templates and exports. season=2026 Pitch Zone Profile Lopez, Jacob · Aggregate zone metrics; not pitch-by-pitch locations Edge: 39%39%Zone: 48%48%Whiff: 18%18%Called strike: 16%16%First pitch strike: 48%48%Hard hit allowed: 32%32% Dashed border = aggregate mixed-batter zone proxy MITHRANDIR · CHARTS
Pitch arsenal

Usage mix, movement map, and Stuff+ composition

2026 pitch-level arsenal aggregates; current season takes over after 100 tracked pitches across at least 2 pitch types. Descriptive pitch-type Stuff+ composition. Not a promoted predictive metric.

2026
Mithrandir Metrics PITCH ARSENAL DONUT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Lopez, Jacob · 2026 arsenal snapshot 4-Seam Fastball: 34.1%Slider: 30.2%Cutter: 19.9%Changeup: 10.3%Sinker: 5.6% MIX FF 34%SL 30%FC 20%CH 10%SI 6% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Lopez, Jacob · 2026 arsenal snapshot FF: HB -0.3, IVB 1.7FFSL: HB 0.1, IVB 3.7SLFC: HB -0.0, IVB 2.4FCCH: HB -1.5, IVB 3.0CHSI: HB -0.2, IVB 2.3SI horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 33.8% 331 99 qualified
SL 30.4% 297 99 qualified
FC 19.7% 193 99 limited sample
CH 10.4% 102 103 limited sample
SI 5.6% 55 101 limited sample
Method note

Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.

Reference layer

Current snapshot

Age28
Height6' 4"
Weight220 lb
Debut2023-08-14
Live layer

Delta / regression

ERA Δ+1.78
K% Δ-0.090

positive regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching112026-05-194-Seam Fastball played up through SL/CH tunnel quality
Projection links / recent games

Available detail

Pitcher Projections 202624.8% K | 3.95 ERAProjection
2026-04-11 @ NYM5 ER / 5 K5.0 IP
2026-04-05 vs HOU3 ER / 6 K4.1 IP
2026-03-30 @ ATL3 ER / 0 K4.0 IP